252453066 has 8 divisors (see below), whose sum is σ = 504906144. Its totient is φ = 84151020.

The previous prime is 252453041. The next prime is 252453101. The reversal of 252453066 is 660354252.

It is a sphenic number, since it is the product of 3 distinct primes.

252453066 is an admirable number.

It is a super-3 number, since 3×252453066³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21037750 + ... + 21037761.

It is an arithmetic number, because the mean of its divisors is an integer number (63113268).

Almost surely, 2^252453066 is an apocalyptic number.

252453066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252453066 is a wasteful number, since it uses less digits than its factorization.

252453066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42075516.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 252453066 is about 15888.7716957605. The cubic root of 252453066 is about 632.0142685584.

The spelling of 252453066 in words is "two hundred fifty-two million, four hundred fifty-three thousand, sixty-six".